#1C666E#1C666E
#1C666E is a mid, moderate teal. Relative luminance 0.109; OKLCH L 47.0% C 0.071 H 205.6°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).
Color values
| HEX | #1C666E |
|---|---|
| RGB | rgb(28, 102, 110) |
| HSL | hsl(186, 59%, 27%) |
| HSV | hsv(186, 75%, 43%) |
| CMYK | cmyk(74.5%, 7.3%, 0%, 56.9%) |
| CIE-LAB | lab(39.37, -19.14, -11.00) |
| CIE-LCH | lch(39.37, 22.07, 209.89°) |
| OKLab | oklab(47% -0.0638 -0.0306) |
| OKLCH | oklch(47% 0.071 205.6) |
| XYZ | xyz(8.0435, 10.8745, 16.4239) |
| Luminance | 0.1087 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Petrol
#005F6A
ΔE00 2.83
Dark Aqua
#05696B
ΔE00 3.75
Deep Teal
#00555A
ΔE00 6.01
Deep Turquoise
#017374
ΔE00 6.09
Dark Turquoise
#045C5A
ΔE00 6.28
Deep Aqua
#08787F
ΔE00 6.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C666E #6E241C
analogous
#1C6E4D #1C666E #1C3D6E
triadic
#1C666E #6E1C66 #666E1C
tetradic
#1C666E #4D1C6E #6E241C #3D6E1C
square
#1C666E #4D1C6E #6E241C #3D6E1C
split-complementary
#1C666E #6E1C3D #6E4D1C
monochromatic
#061718 #10393D #1C666E #28939F #38BECC
Accessibility & contrast
On white
6.61
#1C666E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.18
#1C666E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1C666E
6.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C666E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C666E | 1.00 | 6.61 | 3.18 | 6.61 |
| #FFFFFF | 6.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D626F
Deuteranopia (green-blind)
#51596E
Tritanopia (blue-blind)
#006B68
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #1c666e; /* rgb */ color: rgb(28, 102, 110); /* oklch */ color: oklch(47.0% 0.071 205.6);
Tailwind
colors: {
custom: {
50: '#669297',
500: '#1c666e',
950: '#000000',
},
}SCSS
$custom: #1c666e; $custom-light: #669297; $custom-dark: #000000;
JSON
{
"hex": "#1c666e",
"rgb": {
"r": 28,
"g": 102,
"b": 110
},
"hsl": {
"h": 185.854,
"s": 59.42,
"l": 27.059
},
"oklch": {
"l": 0.46995,
"c": 0.07073,
"h": 205.6
},
"luminance": 0.10875
}Semantic roles & 50–950 ramp
primary
#1C666E
secondary
#A34C43
accent
#5545E3
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060D0D
muted
#7A7D7E